You don’t have to be Merlin to hazard a guess that a medieval epic directed by Guy Ritchie is not one likely to pull its punches. And in a recent cover story interview for Entertainment Weekly, which unveiled the above photos, Ritchie noted that purists may take a little convincing when it comes to his brutal, bruising take on Arthurian legend. Knights of the Roundtable: King Arthur, like the director’s previous films, isn’t big on the straight-arrow good...